Service difficulty report · Intercostal · Boeing 737*

Difficulty date
February 15, 2022
Submitted
March 10, 2022
Operation
Air carrier
Aircraft
N458WN
Make and model
Boeing 737*
Aircraft serial
33857
Aircraft time
60,475 hours, 35,929 cycles
Part
Intercostal
Part number
655486224
Condition
Corroded
Location
Cabin Floor
Stage of operation
UK
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CORROSION FLOOR STRUCTURE INTERCOSTAL-SEAL AT BST 1016 MORE 2 INCH WL 208.1 AT LEVEL STR 17 RH AND BETWEEN RBL 26 TO RBL 40 AT PASSENGER CABIN 2022-55866 / [01] REPLACED INTERCOSTAL SEAL FLOOR STRUCTURE AND FASTENERS AT BST 1016 MORE 2 INCH WL 208.1 AT LEVEL STR 17 RH AND BETWEEN RBL 26 TO RBL 40 AT PASSENGER CABIN SEE INDIVIDUAL SIGN OFFS BELLOW .;[02] REPLACED INTERCOSTAL SEAL FLOOR STRUCTURE AND FASTENERS AT BST 1016 MORE 2 INCH WL 208.1 AT LEVEL STR 17 RH AND BETWEEN RBL 26 TO RBL 40 AT PASSENGER CABIN <BR>RII ACCOMPLISHED <BR>SEE INDIVIDUAL SIGN OFFS BELLOW